CA 1810 then HU 7297 at Beijing
Xiamen → Beijing → Lanzhou
Timetable, Beijing time
16:10CA 1810 from Xiamen at the gate
15:45HU 7297 to Lanzhou leaves the gate
23 h 35 apart on the timetable, overnight
HU 7297 leaves 23 h 35 after CA 1810 arrives on the timetable: more than half a day, so not a connection we count.